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11. Component / RGB / AV Audio Trouble Shooting
Check Video Output
Y
Check Jack JK3608, JK3603
,
Y
Check Signal
g
R3620, R3621, R3604, R3605
Y
Follow procedure All source audio
trouble shooting
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Only for training and service purposes
N
Follow procedure external input
video trouble shooting
N
Check equipment / Replace Jack
q p
p
Replace one of
R3607, R3613, R3620, R3621,
N
R3601, R3602, R3604, R3605
,
,
,
C3605, C3606, C3607, C3608,
C3601, C3600, C3603, C3604
& Recheck
M b LGE2122 (MTK M i IC
Maybe LGE2122 (MTK Main IC,
N
IC105) audio block has problems.
Replace It
LGE Internal Use Only
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